Browsing Articles - Materials Research Institute AIT by Title
Now showing items 77-96 of 96
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Reinforced polylactic acid for use in high strength biodegradable medical implants.
(2016)Traditional medical implants, such as orthopedic screws, pins, and coronary stents, are almost exclusively metallic due to high mechanical strength requirements. However, issues related to the use of permanent metallic ... -
The relationship between pedestrian loading and dynamic response of an FRP composite footbridge.
(Taylor & Francis, 2017)Pedestrian loading on flexible structures such as footbridges, grandstands and lightweight floors is an area, which is receiving significant attention from the research community of late. One of the key parameters in ... -
Review of catheter-associated urinary tract infections and in vitro tract models.
(Hindawi, 2018-10)Catheter-associated urinary tract infections (CAUTIs) are one of the most common nosocomial infections and can lead to numerous medical complications from the mild catheter encrustation and bladder stones to the severe ... -
Review of multifarious applications of Poly (lactic acid)
(Taylor & Francis, 2016)Poly (lactic acid) is considered to be a promising alternative to petroleum-based polymers due to its renewability, biodegradability, biocompatibility, and good mechanical properties. Because of the high cost, the applications ... -
Scratch-resistant and well-adhered nanotube arrays produced via anodizing process on β-titanium alloy
(Elsevier, 2021-03)Well-adhered nanotube arrays were produced through the anodizing technique on a Ti-25Nb-25Ta alloy and tribo-mechanically evaluated by nanoindentation and nanoscratch tests. Disregarding substrate effects, the hardness of ... -
Smart thermosensitive poly (N-vinylcaprolactam) based hydrogels for biomedical applications.
(AENSI, 2014-12-31)Photopolymerisation is an attractive technique used in biomedical applications as it can provide rapid reaction rates with excellent temporal and spatial control features and unique tuneable properties. This fabrication ... -
Stability studies of hot-melt extruded ternary solid dispersions of poorly-water soluble Indomethacin with Poly(vinyl pyrrolidone-co-vinyl acetate) and polyethylene oxide.
(Elsevier, 2019-08)This investigation aims to evaluate the effect of moisture and temperature on the physical stability and dissolution behaviour of hot-melt extruded binary and plasticised ternary solid dispersions. Poorly water-soluble ... -
Surface modified halloysite nanotubes reinforced polylactic acid for use in biodegradable coronary stents.
(Wiley, 2019-08)Poly(lactic acid) (PLA) was reinforced halloysite nanotubes (HNTs) in this study. To improve dispersion and interfacial adhesion of HNTs within the PLA matrix, HNTs were surface modified with 3‐aminopropyltriethoxysilane ... -
Synthesis and characterisation of novel temperature and pH sensitive physically crosslinked poly(N-vinylcaprolactam-co-itaconic acid) hydrogels for drug delivery.
(MDPI, 2019-08-29)Previous studies involving poly N-vinylcaprolactam (PNVCL) and itaconic acid (IA) have synthesised the hydrogels with the presence of a solvent and a crosslinker, producing chemically crosslinked hydrogel systems. In this ... -
Synthesis and characterization of high density polyethylene / peat ash composites.
(Elsevier, 2016-06)A new type of polymer composite was synthesized from one industrial waste, peat ash, at varying mixing ratios of high density polyethylene (HDPE) and the resulting products were characterized using different experiments ... -
Synthesis and in vivo behaviour of PVP/CMC/Agar hydrogel membranes impregnated with silver nanoparticles for wound healing applications.
(ACS, 2018)The field of wound healing has seen an increase in research activity in wound care and hydrogel-based dressings have been targeted as a solution for these applications. Hydrogels with silver nanoparticles can present many ... -
Synthesis and in vivo evaluation of a scaffold containing wollastonite/β‐TCP for bone repair in a rabbit tibial defect model.
(Wiley Online Library, 2019-08-08)Scaffolds are models designed to aid the interaction between cells and extracellular bone matrix, providing structural support for newly formed bone tissue. In this work, wollastonite with β‐TCP porous ceramic scaffolds ... -
Synthesis of linear aliphatic polycarbonate macroglycols using dimethylcarbonate.
(Wiley, 2009-01-05)A series of linear aliphatic polycarbonate polyols were synthesized using dimethylcarbonate and a linear alkane diol or specific combinations of linear alkane diols. Polyol synthesis was carried out in a two‐stage process ... -
Thermal, mechanical, dieletric and morphological study of dieletric filler based thermoplastic nano-composites for smart applications.
(Sage, 2019-02-01)Dielectric nanocomposite elastomers based on poly(styrene-ethylene/butylene-styrene) (SEBS) and SEBS-grafted-maleic anhydride (SEBS-g-MA) with barium titanate (BT) suitable for electroactive applications were successfully ... -
Ti-25Nb-25Ta alloy treated by plasma electrolytic oxidation in phosphoric acid for implant applications
(Rede Latino-Americana de Materiais, 2021)Among titanium alloys with non-toxic elements, the Ti-25Nb-25Ta alloy has good elastic behavior for applications in osseous implants, biocompatibility, and excellent corrosion resistance. The present study aimed to better ... -
Titanium-Niobium (Ti-xNb) alloys with high Nb amounts for applications in biomaterials
(Scielo, 2020-11-10)The present study produced binary titanium-niobium alloys Ti-xNb with high niobium percentage (x = 50, 80 e 90 wt.%) aiming to apply it as a base material in osseous implant devices. The produced TiNb alloys presented a ... -
A tough and novel dual-response PAA/P(NiPAAM-co-PEGDMA) IPN hydrogels with ceramics by photopolymerization for consolidation of bone fragments following fracture.
(IOP Science, 2019-07)In this work, a novel dual-response hydrogel for enhanced bone repair following multiple fractures was investigated. The conventional treatment of multiple bone fracture consists on removing smaller bone fragments from the ... -
Vaginal drug delivery for the localised treatment of cervical cancer.
(Springer, 2017-06-08)Cervical cancer is usually treated by surgery, with the more advanced cancers requiring adjuvant chemotherapy or radiotherapy. The location of the cervix makes it easily accessible through the vagina for the localised ... -
Yerba mate extract in microfibrillated cellulose and corn starch films as a potential wound healing bandage
(MDPI, 2020-11-27)Microfibrillated cellulose films have been gathering considerable attention due to their high mechanical properties and cheap cost. Additionally, it is possible to include compounds within the fibrillated structure in ... -
β-glucan metabolic and immunomodulatory properties and potential for clinical application
(MDPI, 2020-12-10)β-glucans are complex polysaccharides that are found in several plants and foods, including mushrooms. β-glucans display an array of potentially therapeutic properties. β-glucans have metabolic and gastro-intestinal effects, ...